The JAY_MKT4631 is part of Conductix_Wampfler’s AirMark line of advanced radio remote control transmitters for industrial crane, hoist, and machinery operation. This premium-quality transmitter offers: Button Configuration: 6 _ two-step pushbuttons (for high/low-speed or dual-function commands) 2 _ one-step auxiliary pushbuttons 1 _ Off/On/Start selector switch 1 _ mushroom-style Emergency_Stop (E_STOP) Electrical & Mechanical Specs: 433_MHz FSK communication with up to 92 selectable channels (per AirMark specs) Durable housing rated IP65, suitable for rugged industrial environments Supplied with 2 AA batteries, directional decal sheet, and neck lanyard for immediate use Weight: approx. 0.66_lb (0.30_kg) Safety & Convenience Features: Integrated E_STOP to ensure immediate shutdown Color-coded LEDs indicate transmitter power, radio link, and auxiliary mode selections (A/B/C/D) Allows pin-code protection, automatic/manual channel selection, auto power adjustment, and standby features Applications: Designed for use with AirMark receivers (e.g., JAY_MKR4MB10). Ideal for overhead cranes, hoists, conveyors, and industrial processes requiring two-speed and auxiliary function control with emergency-stop safety.